|The Supreme Bliss' Hot Spring Trip|
|Air date||November 22, 2010|
|Written by||Katsumi Hasegawa|
|Directed by||Munenori Nawa|
|Romanji||Shifuku no Onsen Ryokō|
|Adapted from Chapter||15, 16, 17|
|Opening Theme||Our Honey Boy|
|Ending Theme||Starry Sky Story|
Previous Episode → OVA 3
Next Episode → OVA 5
- During the opening credit when Keita and Riko are shown to have shared the same noodle, Riko tried to eat it to get near Keita's lips, only to have Ako break it in half.
- Ako purchase a bottle of sake soda and plans to feed it to Keita
- Keita's get hard when she notice a small wet spot on Riko's underwear.
- Ako, under the influence of the sake soda, tried to shollow Keita's "meatstick" only to pass out on top of him.